[Retroperitoneal oleoma].
D000062:Accidents, Occupational; D006801:Humans; D008297:Male; D008875:Middle Aged; D010232:Paraffin / Q000009:adverse effects; D012186:Retroperitoneal Neoplasms / Q000139:chemically induced*
D010232:Paraffin
Pozaotrzewnowy guz olejowy.